mirror of https://github.com/kubevela/kubevela.git
129 lines
3.9 KiB
Go
129 lines
3.9 KiB
Go
/*
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Copyright 2021. The KubeVela Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package utils
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import (
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"context"
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"fmt"
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"regexp"
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"strconv"
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"strings"
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"github.com/kubevela/pkg/cue/cuex"
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"cuelang.org/go/cue/cuecontext"
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cueErrors "cuelang.org/go/cue/errors"
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"github.com/pkg/errors"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/validation"
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"sigs.k8s.io/controller-runtime/pkg/client"
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"github.com/oam-dev/kubevela/apis/core.oam.dev/v1beta1"
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"github.com/oam-dev/kubevela/pkg/controller/core.oam.dev/v1beta1/core"
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)
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// ContextRegex to match '**: reference "context" not found'
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var ContextRegex = `^.+:\sreference\s\"context\"\snot\sfound$`
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// ValidateDefinitionRevision validate whether definition will modify the immutable object definitionRevision
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func ValidateDefinitionRevision(ctx context.Context, cli client.Client, def runtime.Object, defRevNamespacedName types.NamespacedName) error {
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if errs := validation.IsQualifiedName(defRevNamespacedName.Name); len(errs) != 0 {
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return errors.Errorf("invalid definitionRevision name %s:%s", defRevNamespacedName.Name, strings.Join(errs, ","))
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}
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defRev := new(v1beta1.DefinitionRevision)
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if err := cli.Get(ctx, defRevNamespacedName, defRev); err != nil {
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return client.IgnoreNotFound(err)
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}
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newRev, _, err := core.GatherRevisionInfo(def)
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if err != nil {
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return err
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}
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if defRev.Spec.RevisionHash != newRev.Spec.RevisionHash {
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return errors.New("the definition's spec is different with existing definitionRevision's spec")
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}
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if !core.DeepEqualDefRevision(defRev, newRev) {
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return errors.New("the definition's spec is different with existing definitionRevision's spec")
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}
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return nil
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}
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// ValidateCueTemplate validate cueTemplate
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func ValidateCueTemplate(cueTemplate string) error {
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val := cuecontext.New().CompileString(cueTemplate)
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if e := checkError(val.Err()); e != nil {
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return e
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}
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err := val.Validate()
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return checkError(err)
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}
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// ValidateCuexTemplate validate cueTemplate with CueX for types utilising it
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func ValidateCuexTemplate(ctx context.Context, cueTemplate string) error {
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val, err := cuex.DefaultCompiler.Get().CompileStringWithOptions(ctx, cueTemplate)
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if err != nil {
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return err
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}
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if e := checkError(val.Err()); e != nil {
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return e
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}
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err = val.Validate()
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return checkError(err)
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}
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func checkError(err error) error {
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re := regexp.MustCompile(ContextRegex)
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if err != nil {
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// ignore context not found error
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for _, e := range cueErrors.Errors(err) {
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if !re.MatchString(e.Error()) {
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return cueErrors.New(e.Error())
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}
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}
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}
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return nil
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}
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// ValidateSemanticVersion validates if a Definition's version includes all of
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// major,minor & patch version values.
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func ValidateSemanticVersion(version string) error {
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if version != "" {
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versionParts := strings.Split(version, ".")
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if len(versionParts) != 3 {
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return errors.New("Not a valid version")
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}
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for _, versionPart := range versionParts {
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if _, err := strconv.Atoi(versionPart); err != nil {
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return errors.New("Not a valid version")
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}
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}
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}
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return nil
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}
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// ValidateMultipleDefVersionsNotPresent validates that both Name Annotation Revision and Spec.Version are not present
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func ValidateMultipleDefVersionsNotPresent(version, revisionName, objectType string) error {
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if version != "" && revisionName != "" {
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return fmt.Errorf("%s has both spec.version and revision name annotation. Only one can be present", objectType)
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}
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return nil
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}
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